#!/bin/sh

total_time=0
while read line
do
	utime=`echo $line| cut -d " " -f 14`
	stime=`echo $line| cut -d " " -f 15`
	total_time=$((total_time + utime + stime))
	[ $utime -gt 0 ] && echo $line
done

echo "total_time: $total_time"
